Siamak F. Shahandashti
PhD CS, MSc BSc EE
Senior Lecturer (Associate Professor)
Cyber Security and Privacy Research Group
Dept. of Computer Science
University of York, UK

Quick Links
Upcoming Submission Deadlines
Security & Privacy Conference Timeline
Latest News
- 2025-06-23: Kit's paper proposing the first subexponential quantum algorithm for the semidirect discrete logarithm problem published at PQCrypto 2024 receives the best 2024 PhD student paper award at the department. See: ePrint, DoI, Slides, Video
- 2025-06-05: Our paper on designing a lightweight DoS-resilient Bitcoin mempool receives the best paper award at IEEE ICBC 2025. See: ePrint, Code, Dataset, Slides, ICBC Webpage
- 2025-06-01: Our paper on minoritised ethnic people's privacy concerns about essential online services is accepted to SOUPS 2025. See: ePrint, Accepted Papers
- Older: News archive
Selected Recent Publications
[BAS25]
Hina Binte Haq, Syed Taha Ali and Siamak F. Shahandashti.
"Cuckoo's Nest: An Ultra-Lightweight DoS-Resilient Bitcoin Mempool".
ICBC 2025 (to appear).
ePrint
| Code
| Dataset
| Slides
[CBS24]
Ali Cherry, Konstantinos Barmpis and Siamak F. Shahandashti.
"The Emperor is Now Clothed: A Secure Governance Framework for Web User Authentication through Password Managers".
ICICS 2024, LNCS 15057: 233–252, Springer, 2024.
ePrint
| DoI
| Code
| BibTeX
[BKPS24]
Christopher Battarbee, Delaram Kahrobaei, Ludovic Perret, and Siamak F. Shahandashti.
"A Subexponential Quantum Algorithm for the Semdirect Discrete Logarithm Problem".
PQCrypto 2024, LNCS 14771: 202–226, 2024.
ePrint
| DoI
| Slides
| Video
| BibTeX
Selected Funded Projects (current)
PRIME: Protecting Minority Ethnic Communities Online
PHAWM: Participatory Harm Auditing Workbenches and Methodologies
Selected Academic Service
Program Committee (current):
University Service (current):
Co-Chair, Physical Sciences Ethics Committee
Member, Information Security Board
Member, Academic Ethics Compliance Committee
Departmental Service (selected, current):
Lead, Cyber Security and Privacy Research Group
Deputy Chair, Graduate School Board
Programme Lead, MSc Cyber Security
Student Supervision
Current Research Students:
Charles Dodd (with Pooya Farshim)
Najla Aldaraani (with Helen Petrie)
Ibtihal Alotaibi (with Helen Petrie)
Full Student Supervision List (and Information for Prospective Students)
Teaching
Current Module: Cryptography Theory and Practice ( CTAP-H / CTAP-M )
On Other Platforms
Contact Details
Email: x.y@york.ac.uk
where x = siamak
and y = shahandashti
Public Key: OpenPGP File
Office: CSE/133
( map)
Tel: +44 1904 325413
Postal Address
Dept of Computer Science
University of York
York, YO10 5GH
United Kingdom
Previously at
- Newcastle Uni, UK
- Victoria Uni, Australia
- ENS, Paris, France
- Wollongong Uni, Australia